Orthorhombic: D2h (mmm)
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Orthorhombic: D2h (mmm) |
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| D2h | E | C2(z) | C2(y) | C2(x) | i |
 (xy) |
(xz) |
(yz) |
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| Ag | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | x2, y2, z2 | |
| B1g | 1 | 1 | -1 | -1 | 1 | 1 | -1 | -1 | Iz | xy |
| B2g | 1 | -1 | 1 | -1 | 1 | -1 | 1 | -1 | Iy | xz |
| B3g | 1 | -1 | -1 | 1 | 1 | -1 | -1 | 1 | Ix | yz |
| Au | 1 | 1 | 1 | 1 | -1 | -1 | -1 | -1 | ||
| B1u | 1 | 1 | -1 | -1 | -1 | -1 | 1 | 1 | z | |
| B2u | 1 | -1 | 1 | -1 | -1 | 1 | -1 | 1 | y | |
| B3u | 1 | -1 | -1 | 1 | -1 | 1 | 1 | -1 | x |
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| Stereograph | 3D object | Molecule C2H4 (Ethylene) |